Physical quality and imago population of corn infected with Sitophilus zeamais with the addition of cinnamon (Cinnamomum burmannii)

Abstract

Abstract This study aimed to determine the ability of cinnamon ( Cinnamomum burmannii ) on corn infected by Sitophilus zeamais. The study was carried out by infecting corn with Sitophilus zeamais on each test and then adding cinnamon with different levels on each test then stored for 30 days. This study consist of 5 treatments and 4 replications i.e., P0: corn without Sitophilus zeamais (positive control), P1: corn infected by Sitophilus zeamais (negative control), P2 (corn infected by Sitophilus zeamais + 2% cinnamon flour), P3 (corn infected by Sitophilus zeamais + 4% cinnamon flour) and P4 (corn infected by Sitophilus zeamais + 6% cinnamon flour). The highest value of imago population was obtained at P1 (137.75) and the lowest was at P2 (84.00), the highest number of damaged seeds was P1 (8.61) and the lowest was P4 (5.08) and at seed weight loss value the highest is P1 (1.54%) and the lowest is P4 (0.15%). It concluded that the administration of cinnamon at the level of 2% in corn infected with Sitophilus zeamais with storage for 30 days affects the growth of the imago population and loss of seed weight in corn during storage.

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